[stable/2023.2] feat: add nova failure domain filters (#1624)

Reviewed-by: Mohammed Naser mnaser@vexxhost.com
diff --git a/roles/nova/vars/main.yml b/roles/nova/vars/main.yml
index 3d86292..6145c6d 100644
--- a/roles/nova/vars/main.yml
+++ b/roles/nova/vars/main.yml
@@ -76,6 +76,11 @@
         connection_recycle_time: 10
         max_pool_size: 1
       filter_scheduler:
+        available_filters:
+          type: multistring
+          values:
+            - nova.scheduler.filters.all_filters
+            - nova_scheduler_filters.failure_domain_filter.FailureDomainFilter
         enabled_filters:
           ComputeFilter,
           AggregateTypeAffinityFilter,
@@ -83,7 +88,8 @@
           PciPassthroughFilter,
           ImagePropertiesFilter,
           ServerGroupAntiAffinityFilter,
-          ServerGroupAffinityFilter
+          ServerGroupAffinityFilter,
+          FailureDomainFilter
         image_properties_default_architecture: x86_64
         max_instances_per_host: 200
       glance: